158433066 has 48 divisors (see below), whose sum is σ = 376852320. Its totient is φ = 47705760.

The previous prime is 158433053. The next prime is 158433109. The reversal of 158433066 is 660334851.

It is a self number, because there is not a number n which added to its sum of digits gives 158433066.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29820 + ... + 34728.

It is an arithmetic number, because the mean of its divisors is an integer number (7851090).

Almost surely, 2^158433066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158433066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188426160).

158433066 is an abundant number, since it is smaller than the sum of its proper divisors (218419254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158433066 is a wasteful number, since it uses less digits than its factorization.

158433066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091 (or 5088 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 158433066 is about 12587.0197425761. The cubic root of 158433066 is about 541.1054924839.

The spelling of 158433066 in words is "one hundred fifty-eight million, four hundred thirty-three thousand, sixty-six".